Page({

  data: {
    city:false,
    region: ['', '', ''],
    customItem: '全部',
  },
  bindRegionChange: function (e) {
    console.log('picker发送选择改变，携带值为', e.detail.value[0])
    const {index} = e.detail.value
    this.setData({
      region: e.detail.value,
      city:true
    })
    this.triggerEvent('onParentEvent',{index},{})

  },
})
